function openNav() {
     document.getElementById("mySidenav").style.width = "180px";
//document.getElementById("main").style.marginLeft = "250px";
    // document.getElementById("1").style.marginLeft = "100px";
    // document.body.style.backgroundColor = "rgba(0,0,0,0.4)";
    // document.getElementsById("1").style.backgroundColor = "rgba(0,0,0,0.4)";
    document.getElementById("left_blue").style.display="block";

}
/*关闭侧栏，恢复原始侧栏宽度，主体左跨度、背景透明度*/
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
document.getElementById("main").style.marginLeft= "0";
// document.getElementById("1").style.marginLeft = "50px";
document.body.style.backgroundColor = "white";
}

function to()
{
    var num=1;
    window.location.href="manager.html?values"+"1";
}